rte_pmd_dpaa2_qdma.h

Go to the documentation of this file.

/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright 2018-2019 NXP
 */

#ifndef __RTE_PMD_DPAA2_QDMA_H__
#define __RTE_PMD_DPAA2_QDMA_H__

#define RTE_QDMA_BURST_NB_MAX 256

enum {
    RTE_QDMA_MODE_HW,
    RTE_QDMA_MODE_VIRTUAL
};

enum {
    RTE_QDMA_LONG_FORMAT,
    RTE_QDMA_ULTRASHORT_FORMAT,
};

#define RTE_QDMA_VQ_EXCLUSIVE_PQ    (1ULL)

#define RTE_QDMA_JOB_SRC_PHY        (1ULL)

#define RTE_QDMA_JOB_DEST_PHY       (1ULL << 1)

struct rte_qdma_attr {
    uint16_t num_hw_queues;
};

struct rte_qdma_config {
    uint16_t max_hw_queues_per_core;
    uint16_t max_vqs;
    uint8_t mode;
    uint8_t format;
    int fle_pool_count;
};

struct rte_qdma_rbp {
    uint32_t use_ultrashort:1;
    uint32_t enable:1;
    uint32_t dportid:4;
    uint32_t dpfid:2;
    uint32_t dvfid:6;
    /*using route by port for destination */
    uint32_t drbp:1;
    uint32_t sportid:4;
    uint32_t spfid:2;
    uint32_t svfid:6;
    /* using route by port for source */
    uint32_t srbp:1;
    uint32_t rsv:4;
};

struct rte_qdma_vq_stats {
    uint8_t exclusive_hw_queue;
    uint32_t lcore_id;
    /* Total number of enqueues on this VQ */
    uint64_t num_enqueues;
    /* Total number of dequeues from this VQ */
    uint64_t num_dequeues;
    /* total number of pending jobs in this VQ */
    uint64_t num_pending_jobs;
};

struct rte_qdma_job {
    uint64_t src;
    uint64_t dest;
    uint32_t len;
    uint32_t flags;
    uint64_t cnxt;
    uint16_t status;
    uint16_t vq_id;
};

int
rte_qdma_init(void);

void
rte_qdma_attr_get(struct rte_qdma_attr *qdma_attr);

int
rte_qdma_reset(void);

int
rte_qdma_configure(struct rte_qdma_config *qdma_config);

int
rte_qdma_start(void);

int
rte_qdma_vq_create(uint32_t lcore_id, uint32_t flags);

/*create vq for route-by-port*/
int
rte_qdma_vq_create_rbp(uint32_t lcore_id, uint32_t flags,
            struct rte_qdma_rbp *rbp);

int
rte_qdma_vq_enqueue_multi(uint16_t vq_id,
              struct rte_qdma_job **job,
              uint16_t nb_jobs);

int
rte_qdma_vq_enqueue(uint16_t vq_id,
            struct rte_qdma_job *job);

int
rte_qdma_vq_dequeue_multi(uint16_t vq_id,
              struct rte_qdma_job **job,
              uint16_t nb_jobs);

struct rte_qdma_job *
rte_qdma_vq_dequeue(uint16_t vq_id);

void
rte_qdma_vq_stats(uint16_t vq_id,
          struct rte_qdma_vq_stats *vq_stats);

int
rte_qdma_vq_destroy(uint16_t vq_id);

int
rte_qdma_vq_destroy_rbp(uint16_t vq_id);
void
rte_qdma_stop(void);

void
rte_qdma_destroy(void);

#endif /* __RTE_PMD_DPAA2_QDMA_H__*/